package Test2;

import java.io.FileWriter;
import java.io.IOException;
import java.io.RandomAccessFile;

public class Test1 {
	public static void main(String[] args) {
		//appendMethodB("C:\\log.txt","打酱油");
		appendMethodA("C:\\log.txt","你好呀");
	}
	
	public static void appendMethodB(String fileName, String content) {
		try {
			// 打开一个写文件器，构造函数中的第二个参数true表示以追加形式写文件
			FileWriter writer = new FileWriter(fileName, true);
			writer.write("\r\n"+content);
			writer.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public static void appendMethodA(String fileName, String content) {
		try {
			content = new String(content.getBytes("GBK"),"ISO-8859-1");
			
			// 打开一个随机访问文件流，按读写方式
			RandomAccessFile randomFile = new RandomAccessFile(fileName, "rw");
			// 文件长度，字节数
			long fileLength = randomFile.length();
			// 将写文件指针移到文件尾。
			randomFile.seek(fileLength);
			randomFile.writeBytes(content+"\r\n");
			randomFile.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}
